Heat or cold pack



FIG. 1 is a perspective view of the heat or cold pack of the present invention shown as it would be worn on a patient.

FIG. 2 is a perspective bottom plan view of the heat or cold pack of the present invention.

FIG. 3 is a top plan view of the heat or cold pack of the present invention.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a first end view thereof.

FIG. 7 is a second end view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken away symbols in the attached drawings indicate that any portion of the article beyond what is shown forms no part of the claimed design. 

CLAIM I claim the ornamental design of a heat or cold pack, as shown and described. 